Tomasz PlacekTomasz Placek is a philosopher, professor at the Jagiellonian University.BiographyIn 1984 he graduated with a master's degree in physics from the Jagiellonian University. In 1991 he obtained doctorate in philosophy upon thesis Intersubiektywność matematyki intuicjonistycznej supervised by Jan Woleński. In 2001 he obtained habilitation. In 2012 he obtained the title of professor. His research interests include philosophy of mathematics, philosophy of physics and metaphysics. He authored several dozen research papers.Books*